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What adds oxygen to the atmosphere?

In: Earth Sciences, Human Anatomy [Edit categories]

Answer:

Plants and trees especially add oxygen to the atmosphere

First answer by ID1221337081. Last edit by Qwertyghj63. Contributor trust: 153 Question popularity: 2 [recommend question].

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How do plants add oxygen in the atmosphere?
Plants take in water (H2O) ,nutrients from the soil, and carbon dioxide (CO2) to make their food; combinations of sugars composed of the hydrogen (H) and carbon (C) they absorbed. Oxygen(O2) is...
What is the process that adds oxygen to earth's atmosphere?
Trees and plants absorb carbon dioxide and convert it to oxygen.
Why is the atmosphere classed as an oxygen atmosphere?
Earth's atmosphere is mainly nitrogen, oxygen, carbon dioxide, and water vapor. Oxygen is the most reactive of these. Oxygen allows all of the life as we know it on earth. Even though oxygen is less...
What is the process when organisms add oxygen to the atmosphere called?
photosynthesis
How oxygen is your atmosphere?
The atmosphere today is about 21% oxygen. In former times it was different percentages. In dinosaur days, it was closer to 30%, which was a factor in animals growing as big as they did.